|Subject:||[Discuss-gnuradio] USRP time synchronization|
|Date:||Wed, 10 Apr 2019 13:18:42 +0000|
Dear GNU Radio users,
I have a simple program, Signal source (square) -> USRP SINK USRP SOURCE - > TIME SINK.
If I plot Tx/Rx signals in a Time sink, I see, that there is a time differnce, which is OK. But each time I start the program, the time difference changes (As shown in a picture in attachements).
What can I do? I tried to change Sync, Clock rate, Clock Source, Time source....everything. But still the delay is changing each time I execute my program.
If the delay was not random I could just substract that. This causes me problems in every radar program, since I need precise time measurements.
Screenshot from 2019-04-10 15-10-49.png
Description: Screenshot from 2019-04-10 15-10-49.png
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